Networking & Infrastructure
Networks, security, and system administration
122 episodes · Page 2 of 6
#3554: VLAN Tagging on ISP Fiber: Why Your Router Won't Connect
Why you need a VLAN tag for your ISP connection — and how authentication fails when you bring your own router.
#3544: What 4U Actually Means: Rack Gear for Home Labs
Rack height units, case costs, and cabinet types explained for home users and small businesses.
#3535: Fiber vs Copper: Wiring Your Home Network Right
Fiber backbone or copper Ethernet? How to wire a modern home network from the ONT to every room.
#3431: How YouTube Stores 500 Hours of Video Every Minute
YouTube's videos are shredded, replicated across global servers, and stored at a cost approaching zero. Here's how.
#3425: How Cellular Coverage Fails in Tunnels and Skyscrapers
Why your signal drops between Jerusalem and Tel Aviv — and how leaky feeder cables fix tunnels.
#3399: Why Mail a Disc to Your In-Law?
Cloud backups are durable. Physical backups give you sovereignty. Here’s why both matter — and how M-Disc fits in.
#3304: Rumble's Cloud Business: Video Site or Hosting Giant?
Rumble's $2.1B valuation is driven by cloud infrastructure, not conspiracy videos. Here's what it actually is.
#3299: Two Hundred People Before You Board
What happens in the 72 hours before a transatlantic flight takes off? The answer involves 200 people and 5 fuel buckets.
#3298: How Air Traffic Control Sequences 48 Landings Per Hour
The invisible choreography behind that mesmerizing funnel of landing lights at major airports.
#3228: Bulk Ethernet by the Reel: Where to Buy, What Size, Is It Worth It?
Where to buy bulk Ethernet cable by the reel, what spool sizes exist, and whether crimping your own beats pre-made cables.
#3227: Reading the Blink Codes on Your Network Switch
Your switch LEDs tell you exactly what's wrong — if you know how to read them. Here's the diagnostic language of blinking lights.
#3226: Why Your Phone Must Stay in Airplane Mode (Even With Starlink on the Roof)
The paradox of phone bans vs. onboard Starlink, explained through physics, paperwork, and Swiss cheese safety models.
#3223: Handcuffed to a Petabyte: Urgent Physical Data Transfer
When data moves faster by plane than fiber, couriers handcuff petabytes in reinforced cases across oceans.
#3222: How Petabytes Move at Light Speed
From 40 gig to 3.2 terabit—the hidden infrastructure moving science data at unimaginable speeds.
#3218: Building Your Own Cloud in 2026
The software and hardware for a DIY private cloud have never been more feasible. Here's how to pick the right pieces.
#3217: When a Truck Beats the Internet: Shipping Data at Scale
Why FedEx sometimes beats fiber for moving massive datasets across the country.
#3033: 3,000 Episodes, 3 Copies: Is This Backup Setup Enough?
Three copies, two clouds, one NAS. But is this setup truly protecting 3,000 podcast episodes?
#2985: The Hidden Architecture of the Sky
How thousands of planes navigate invisible highways without colliding — over land, ocean, and through wake turbulence.
#2961: Podcast Analytics Without Selling Your Soul
Three paths to listener data that respect privacy and actually work with object storage.
#2916: Why Your MTU Setting Is Probably Wrong
That 1492 MTU everyone recommends? It's likely costing you performance on modern fiber.
#2840: How Long Must a Password Actually Be?
The surprising math behind how long your password needs to be to survive a brute-force attack.
#2835: Why Can't I Trust My Own Computer?
Why services keep asking you to sign in—and what it would take to fix it.
#2834: The Deep Ocean Trench of Authentication
PIN + smart card + biometric + behavioral checks. The real security stack behind federal authentication.
#2831: What VPNs Still Protect After HTTPS
HTTPS encrypts your content but leaves your metadata exposed. Here's what a VPN still protects.